Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014-2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.cordvtn; |
| 17 | |
| 18 | import org.apache.felix.scr.annotations.Activate; |
| 19 | import org.apache.felix.scr.annotations.Component; |
| 20 | import org.apache.felix.scr.annotations.Deactivate; |
| 21 | import org.apache.felix.scr.annotations.Reference; |
| 22 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 23 | import org.apache.felix.scr.annotations.Service; |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 24 | import org.onlab.util.KryoNamespace; |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 25 | import org.onosproject.core.CoreService; |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 26 | import org.onosproject.net.Device; |
| 27 | import org.onosproject.net.DeviceId; |
| 28 | import org.onosproject.net.Host; |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 29 | import org.onosproject.net.device.DeviceEvent; |
| 30 | import org.onosproject.net.device.DeviceListener; |
| 31 | import org.onosproject.net.device.DeviceService; |
| 32 | import org.onosproject.net.host.HostEvent; |
| 33 | import org.onosproject.net.host.HostListener; |
| 34 | import org.onosproject.net.host.HostService; |
| 35 | import org.onosproject.store.serializers.KryoNamespaces; |
| 36 | import org.onosproject.store.service.EventuallyConsistentMap; |
| 37 | import org.onosproject.store.service.LogicalClockService; |
| 38 | import org.onosproject.store.service.StorageService; |
| 39 | import org.slf4j.Logger; |
| 40 | |
| 41 | import java.util.List; |
| 42 | import java.util.concurrent.ExecutorService; |
| 43 | import java.util.concurrent.Executors; |
| 44 | import java.util.stream.Collectors; |
| 45 | |
| 46 | import static org.onlab.util.Tools.groupedThreads; |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 47 | import static org.onosproject.cordvtn.OvsdbNode.State; |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 48 | import static org.onosproject.cordvtn.OvsdbNode.State.INIT; |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 49 | import static org.onosproject.cordvtn.OvsdbNode.State.DISCONNECT; |
| 50 | import static org.onosproject.net.Device.Type.SWITCH; |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 51 | import static org.slf4j.LoggerFactory.getLogger; |
| 52 | |
| 53 | /** |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 54 | * Provides initial setup or cleanup for provisioning virtual tenant networks |
| 55 | * on ovsdb, integration bridge and vm when they are added or deleted. |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 56 | */ |
| 57 | @Component(immediate = true) |
| 58 | @Service |
| 59 | public class CordVtn implements CordVtnService { |
| 60 | |
| 61 | protected final Logger log = getLogger(getClass()); |
| 62 | |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 63 | private static final int NUM_THREADS = 1; |
| 64 | private static final KryoNamespace.Builder NODE_SERIALIZER = KryoNamespace.newBuilder() |
| 65 | .register(KryoNamespaces.API) |
| 66 | .register(OvsdbNode.class); |
| 67 | |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 68 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 69 | protected CoreService coreService; |
| 70 | |
| 71 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 72 | protected StorageService storageService; |
| 73 | |
| 74 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 75 | protected LogicalClockService clockService; |
| 76 | |
| 77 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 78 | protected DeviceService deviceService; |
| 79 | |
| 80 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 81 | protected HostService hostService; |
| 82 | |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 83 | private final ExecutorService eventExecutor = Executors |
| 84 | .newFixedThreadPool(NUM_THREADS, groupedThreads("onos/cordvtn", "event-handler")); |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 85 | |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 86 | private final DeviceListener deviceListener = new InternalDeviceListener(); |
| 87 | private final HostListener hostListener = new InternalHostListener(); |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 88 | |
| 89 | private final OvsdbHandler ovsdbHandler = new OvsdbHandler(); |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 90 | private final BridgeHandler bridgeHandler = new BridgeHandler(); |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 91 | private final VmHandler vmHandler = new VmHandler(); |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 92 | |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 93 | private EventuallyConsistentMap<DeviceId, OvsdbNode> nodeStore; |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 94 | |
| 95 | @Activate |
| 96 | protected void activate() { |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 97 | coreService.registerApplication("org.onosproject.cordvtn"); |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 98 | nodeStore = storageService.<DeviceId, OvsdbNode>eventuallyConsistentMapBuilder() |
| 99 | .withName("cordvtn-nodestore") |
| 100 | .withSerializer(NODE_SERIALIZER) |
| 101 | .withTimestampProvider((k, v) -> clockService.getTimestamp()) |
| 102 | .build(); |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 103 | |
| 104 | deviceService.addListener(deviceListener); |
| 105 | hostService.addListener(hostListener); |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 106 | |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 107 | log.info("Started"); |
| 108 | } |
| 109 | |
| 110 | @Deactivate |
| 111 | protected void deactivate() { |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 112 | deviceService.removeListener(deviceListener); |
| 113 | hostService.removeListener(hostListener); |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 114 | |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 115 | eventExecutor.shutdown(); |
| 116 | nodeStore.destroy(); |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 117 | |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 118 | log.info("Stopped"); |
| 119 | } |
| 120 | |
| 121 | @Override |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 122 | public void addNode(OvsdbNode ovsdbNode) { |
| 123 | if (nodeStore.containsKey(ovsdbNode.deviceId())) { |
| 124 | log.warn("Node {} already exists", ovsdbNode.host()); |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 125 | return; |
| 126 | } |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 127 | nodeStore.put(ovsdbNode.deviceId(), ovsdbNode); |
| 128 | if (ovsdbNode.state() != INIT) { |
| 129 | updateNode(ovsdbNode, INIT); |
| 130 | } |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | @Override |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 134 | public void deleteNode(OvsdbNode ovsdbNode) { |
| 135 | if (!nodeStore.containsKey(ovsdbNode.deviceId())) { |
| 136 | log.warn("Node {} does not exist", ovsdbNode.host()); |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 137 | return; |
| 138 | } |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 139 | updateNode(ovsdbNode, DISCONNECT); |
| 140 | } |
| 141 | |
| 142 | @Override |
| 143 | public void updateNode(OvsdbNode ovsdbNode, State state) { |
| 144 | if (!nodeStore.containsKey(ovsdbNode.deviceId())) { |
| 145 | log.warn("Node {} does not exist", ovsdbNode.host()); |
| 146 | return; |
| 147 | } |
| 148 | DefaultOvsdbNode updatedNode = new DefaultOvsdbNode(ovsdbNode.host(), |
| 149 | ovsdbNode.ip(), |
| 150 | ovsdbNode.port(), |
| 151 | state); |
| 152 | nodeStore.put(ovsdbNode.deviceId(), updatedNode); |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 153 | } |
| 154 | |
| 155 | @Override |
| 156 | public int getNodeCount() { |
| 157 | return nodeStore.size(); |
| 158 | } |
| 159 | |
| 160 | @Override |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 161 | public OvsdbNode getNode(DeviceId deviceId) { |
| 162 | return nodeStore.get(deviceId); |
| 163 | } |
| 164 | |
| 165 | @Override |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 166 | public List<OvsdbNode> getNodes() { |
| 167 | return nodeStore.values() |
| 168 | .stream() |
| 169 | .collect(Collectors.toList()); |
| 170 | } |
| 171 | |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 172 | private class InternalDeviceListener implements DeviceListener { |
| 173 | |
| 174 | @Override |
| 175 | public void event(DeviceEvent event) { |
| 176 | Device device = event.subject(); |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 177 | ConnectionHandler handler = (device.type() == SWITCH ? bridgeHandler : ovsdbHandler); |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 178 | |
| 179 | switch (event.type()) { |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 180 | case DEVICE_ADDED: |
| 181 | eventExecutor.submit(() -> handler.connected(device)); |
| 182 | break; |
| 183 | case DEVICE_AVAILABILITY_CHANGED: |
| 184 | eventExecutor.submit(() -> handler.disconnected(device)); |
| 185 | break; |
| 186 | default: |
| 187 | break; |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 188 | } |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | private class InternalHostListener implements HostListener { |
| 193 | |
| 194 | @Override |
| 195 | public void event(HostEvent event) { |
| 196 | Host vm = event.subject(); |
| 197 | |
| 198 | switch (event.type()) { |
| 199 | case HOST_ADDED: |
| 200 | eventExecutor.submit(() -> vmHandler.connected(vm)); |
| 201 | break; |
| 202 | case HOST_REMOVED: |
| 203 | eventExecutor.submit(() -> vmHandler.disconnected(vm)); |
| 204 | break; |
| 205 | default: |
| 206 | break; |
| 207 | } |
| 208 | } |
| 209 | } |
| 210 | |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 211 | private class OvsdbHandler implements ConnectionHandler<Device> { |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 212 | |
| 213 | @Override |
| 214 | public void connected(Device device) { |
| 215 | // create bridge and set bridgeId |
| 216 | // set node state connected |
| 217 | } |
| 218 | |
| 219 | @Override |
| 220 | public void disconnected(Device device) { |
| 221 | // set node state disconnected if the node exists |
| 222 | // which means that the node is not deleted explicitly |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | private class BridgeHandler implements ConnectionHandler<Device> { |
| 227 | |
| 228 | @Override |
| 229 | public void connected(Device device) { |
| 230 | // create vxlan port |
| 231 | } |
| 232 | |
| 233 | @Override |
| 234 | public void disconnected(Device device) { |
| 235 | |
| 236 | } |
| 237 | } |
| 238 | |
Hyunsun Moon | 2b53032 | 2015-09-23 13:24:35 -0700 | [diff] [blame^] | 239 | private class VmHandler implements ConnectionHandler<Host> { |
Hyunsun Moon | d0e932a | 2015-09-15 22:39:16 -0700 | [diff] [blame] | 240 | |
| 241 | @Override |
| 242 | public void connected(Host host) { |
| 243 | // install flow rules for this vm |
| 244 | } |
| 245 | |
| 246 | @Override |
| 247 | public void disconnected(Host host) { |
| 248 | // uninstall flow rules associated with this vm |
| 249 | } |
| 250 | } |
| 251 | } |